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zhoushan zhongyang screw manufacturer co., ltd

 
 
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Screw and Barrel Set 

  Category : Machinery on-line->Rubber Processing Machines->Screw For Rebber Processing Machinery

     
Screw and Barrel Set
 
 
       

  Product Specification
 
  Model No:      zy2
  Country  CN
  Brand  zy
  Materials  38CrMoAlA
  Packing  wooden case
  Minimum Order  1 set
  Payment Term  T/T L/C

 

    Product Detail
  Abrasion-resistant and corrosion resistant.
Material:high quality alloy steel
1)38CrMoA|A
2)9Cr18MoV
Technics:1)Heat-treatment
2)Nitriding treatment
3)Spray bimetallic-alloy coating
Technical parameter
Nitriding depth:0.5-0.8MM
Nitriding hardness:900-1000HV
Nitriding brittleness:Less than grade 1
Surface roughness:Ra 0.4
Linearity of the screw:0.015 MM
Hardness of the chrome plating after nitriding:More than 950HV
Chrome plating thickness:0.025-0.085MM

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